code: def _prop_descriptions(self):
      return """\
          autoexpand
              Turns on/off margin expansion computations. Legends,
              colorbars, updatemenus, sliders, axis rangeselector and
              rangeslider are allowed to push the margins by
              defaults.
          b
              Sets the bottom margin (in px).
          l
              Sets the left margin (in px).
          pad
              Sets the amount of padding (in px) between the plotting
              area and the axis lines
          r
              Sets the right margin (in px).
          t
              Sets the top margin (in px).
          """
  
file_path: catboost/contrib/python/plotly/py2/plotly/graph_objs/layout/_margin.py
imports: from plotly.basedatatypes import BaseLayoutHierarchyType
  import copy
label_desc: Use image node_id 13 for calling the Margin obj's underlying member method code with example usage: obj._prop_descriptions() and returns: str